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961375718992 = 241323631318473
BaseRepresentation
bin11011111110101100111…
…01010100111001010000
310101220110221000122122211
431333112131110321100
5111222344141001432
62013352214041504
7126312533531533
oct15772635247120
93356427018584
10961375718992
113407985919a7
121363a2949294
136c871242bb0
143476086aa1a
151a01a929d47
hexdfd6754e50

961375718992 has 80 divisors (see below), whose sum is σ = 2096486316288. Its totient is φ = 423746104320.

The previous prime is 961375718971. The next prime is 961375719001. The reversal of 961375718992 is 299817573169.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2859468 + ... + 3177940.

Almost surely, 2961375718992 is an apocalyptic number.

961375718992 is a gapful number since it is divisible by the number (92) 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 961375718992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048243158144).

961375718992 is an abundant number, since it is smaller than the sum of its proper divisors (1135110597296).

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

961375718992 is a wasteful number, since it uses less digits than its factorization.

961375718992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319148 (or 319142 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 67.

The spelling of 961375718992 in words is "nine hundred sixty-one billion, three hundred seventy-five million, seven hundred eighteen thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 16 23 26 46 52 92 104 184 208 299 368 598 631 1196 1262 2392 2524 4784 5048 8203 10096 14513 16406 29026 32812 58052 65624 116104 131248 188669 232208 318473 377338 636946 754676 1273892 1509352 2547784 3018704 4140149 5095568 7324879 8280298 14649758 16560596 29299516 33121192 58599032 66242384 95223427 117198064 190446854 200956463 380893708 401912926 761787416 803825852 1523574832 1607651704 2612434019 3215303408 4621998649 5224868038 9243997298 10449736076 18487994596 20899472152 36975989192 41798944304 60085982437 73951978384 120171964874 240343929748 480687859496 961375718992