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632238975140 = 225431321556519
BaseRepresentation
bin10010011001101000110…
…00010010100010100100
32020102220211011200100112
421030310120102202210
540324311134201030
61202240243232152
763451320422123
oct11146430224244
92212824150315
10632238975140
11224149467803
12a2647678658
1347809b4c166
1422859bd3aba
15116a5311a95
hex93346128a4

632238975140 has 48 divisors (see below), whose sum is σ = 1359609525120. Its totient is φ = 246826863360.

The previous prime is 632238975107. The next prime is 632238975149. The reversal of 632238975140 is 41579832236.

It is a super-2 number, since 2×6322389751402 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (632238975149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857801 + ... + 1414319.

It is an arithmetic number, because the mean of its divisors is an integer number (28325198440).

It is a 1-persistent number, because it is pandigital, but 2⋅632238975140 = 1264477950280 is not.

Almost surely, 2632238975140 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 632238975140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679804762560).

632238975140 is an abundant number, since it is smaller than the sum of its proper divisors (727370549980).

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

632238975140 is a wasteful number, since it uses less digits than its factorization.

632238975140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557892 (or 557890 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 632238975140 in words is "six hundred thirty-two billion, two hundred thirty-eight million, nine hundred seventy-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1321 2642 5284 6605 13210 26420 56803 113606 227212 284015 556519 568030 1113038 1136060 2226076 2782595 5565190 11130380 23930317 47860634 95721268 119651585 239303170 478606340 735161599 1470323198 2940646396 3675807995 7351615990 14703231980 31611948757 63223897514 126447795028 158059743785 316119487570 632238975140