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920008820952 = 233413167653969
BaseRepresentation
bin11010110001101001100…
…11001000100011011000
310020221200222220111120000
431120310303020203120
5110033134224232302
61542351325533000
7123316450643334
oct15306463104330
93227628814500
10920008820952
1132519aaa4161
1212a379114160
13689aac31a30
14327589267c4
1518de8e3b31c
hexd634cc88d8

920008820952 has 160 divisors (see below), whose sum is σ = 2791719453600. Its totient is φ = 281384119296.

The previous prime is 920008820933. The next prime is 920008820981. The reversal of 920008820952 is 259028800029.

It is a junction number, because it is equal to n+sod(n) for n = 920008820898 and 920008820907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1079824 + ... + 1733792.

It is an arithmetic number, because the mean of its divisors is an integer number (17448246585).

Almost surely, 2920008820952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920008820952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395859726800).

920008820952 is an abundant number, since it is smaller than the sum of its proper divisors (1871710632648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

920008820952 is a wasteful number, since it uses less digits than its factorization.

920008820952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654167 (or 654154 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 920008820952 in words is "nine hundred twenty billion, eight million, eight hundred twenty thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 81 104 108 117 156 162 167 216 234 312 324 334 351 468 501 648 668 702 936 1002 1053 1336 1404 1503 2004 2106 2171 2808 3006 4008 4212 4342 4509 6012 6513 8424 8684 9018 12024 13026 13527 17368 18036 19539 26052 27054 36072 39078 52104 54108 58617 78156 108216 117234 156312 175851 234468 351702 468936 653969 703404 1307938 1406808 1961907 2615876 3923814 5231752 5885721 7847628 8501597 11771442 15695256 17003194 17657163 23542884 25504791 34006388 35314326 47085768 51009582 52971489 68012776 70628652 76514373 102019164 105942978 109212823 141257304 153028746 204038328 211885956 218425646 229543119 306057492 327638469 423771912 436851292 459086238 612114984 655276938 688629357 873702584 918172476 982915407 1310553876 1377258714 1419766699 1836344952 1965830814 2621107752 2754517428 2839533398 2948746221 3931661628 4259300097 5509034856 5679066796 5897492442 7863323256 8518600194 8846238663 11358133592 11794984884 12777900291 17037200388 17692477326 23589969768 25555800582 34074400776 35384954652 38333700873 51111601164 70769909304 76667401746 102223202328 115001102619 153334803492 230002205238 306669606984 460004410476 920008820952