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57695026992 = 24319277228383
BaseRepresentation
bin110101101110111001…
…000011111100110000
312111220212101001012120
4311232321003330300
51421124411330432
642301004354240
74111510431531
oct655671037460
9174825331176
1057695026992
112251737a799
12b221b45980
135596063635
142b146cc688
15177a1ecc2c
hexd6ee43f30

57695026992 has 80 divisors (see below), whose sum is σ = 157457064960. Its totient is φ = 18153628416.

The previous prime is 57695026957. The next prime is 57695026999. The reversal of 57695026992 is 29962059675.

It is a super-2 number, since 2×576950269922 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57695026999) 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, 138433 + ... + 366815.

It is an arithmetic number, because the mean of its divisors is an integer number (1968213312).

Almost surely, 257695026992 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 57695026992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78728532480).

57695026992 is an abundant number, since it is smaller than the sum of its proper divisors (99762037968).

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

57695026992 is a wasteful number, since it uses less digits than its factorization.

57695026992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228690 (or 228684 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 57695026992 in words is "fifty-seven billion, six hundred ninety-five million, twenty-six thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 277 304 456 554 831 912 1108 1662 2216 3324 4432 5263 6648 10526 13296 15789 21052 31578 42104 63156 84208 126312 228383 252624 456766 685149 913532 1370298 1827064 2740596 3654128 4339277 5481192 8678554 10962384 13017831 17357108 26035662 34714216 52071324 63262091 69428432 104142648 126524182 189786273 208285296 253048364 379572546 506096728 759145092 1012193456 1201979729 1518290184 2403959458 3036580368 3605939187 4807918916 7211878374 9615837832 14423756748 19231675664 28847513496 57695026992