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961662508132 = 221072246875019
BaseRepresentation
bin11011111111001111000…
…11010101110001100100
310101221012220200001101211
431333213203111301210
5111223441100230012
62013440501001204
7126322615306504
oct15774743256144
93357186601354
10961662508132
11340925462917
121364629b3204
136c8b8796801
143478a9a1a04
151a035bc96a7
hexdfe78d5c64

961662508132 has 12 divisors (see below), whose sum is σ = 1698637515120. Its totient is φ = 476337503816.

The previous prime is 961662508129. The next prime is 961662508133. The reversal of 961662508132 is 231805266169.

It is a super-2 number, since 2×9616625081322 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (961662508133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123437082 + ... + 1123437937.

It is an arithmetic number, because the mean of its divisors is an integer number (141553126260).

Almost surely, 2961662508132 is an apocalyptic number.

It is an amenable number.

961662508132 is a deficient number, since it is larger than the sum of its proper divisors (736975006988).

961662508132 is a wasteful number, since it uses less digits than its factorization.

961662508132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246875130 (or 2246875128 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 961662508132 in words is "nine hundred sixty-one billion, six hundred sixty-two million, five hundred eight thousand, one hundred thirty-two".

Divisors: 1 2 4 107 214 428 2246875019 4493750038 8987500076 240415627033 480831254066 961662508132