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2107847664 = 243313794751
BaseRepresentation
bin111110110100011…
…0011001111110000
312102220021202102000
41331220303033300
513304102111124
6545054254000
7103143260316
oct17550631760
95386252360
102107847664
1199190916a
124a9ab7300
13277907b50
1415dd300b6
15c50b76c9
hex7da333f0

2107847664 has 160 divisors (see below), whose sum is σ = 6599577600. Its totient is φ = 640224000.

The previous prime is 2107847653. The next prime is 2107847689. The reversal of 2107847664 is 4667487012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441289 + ... + 446039.

It is an arithmetic number, because the mean of its divisors is an integer number (41247360).

Almost surely, 22107847664 is an apocalyptic number.

2107847664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2107847664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3299788800).

2107847664 is an abundant number, since it is smaller than the sum of its proper divisors (4491729936).

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

2107847664 is a wasteful number, since it uses less digits than its factorization.

2107847664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860 (or 4848 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2107847664 is about 45911.3021379268. The cubic root of 2107847664 is about 1282.1723495270.

The spelling of 2107847664 in words is "two billion, one hundred seven million, eight hundred forty-seven thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 79 104 108 117 144 156 158 208 216 234 237 312 316 351 432 468 474 624 632 702 711 936 948 1027 1264 1404 1422 1872 1896 2054 2133 2808 2844 3081 3792 4108 4266 4751 5616 5688 6162 8216 8532 9243 9502 11376 12324 14253 16432 17064 18486 19004 24648 27729 28506 34128 36972 38008 42759 49296 55458 57012 61763 73944 76016 85518 110916 114024 123526 128277 147888 171036 185289 221832 228048 247052 256554 342072 370578 375329 443664 494104 513108 555867 684144 741156 750658 988208 1026216 1111734 1125987 1482312 1501316 1667601 2052432 2223468 2251974 2964624 3002632 3335202 3377961 4446936 4503948 4879277 6005264 6670404 6755922 8893872 9007896 9758554 10133883 13340808 13511844 14637831 18015792 19517108 20267766 26681616 27023688 29275662 39034216 40535532 43913493 54047376 58551324 78068432 81071064 87826986 117102648 131740479 162142128 175653972 234205296 263480958 351307944 526961916 702615888 1053923832 2107847664