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19007695913472 = 293471761103613
BaseRepresentation
bin1000101001001100100101…
…11101101000001000000000
32111022010012000020222210000
410110212102331220020000
54442410230123212342
6104232003121440000
74001155265323230
oct424462275501000
974263160228700
1019007695913472
1160691338a4912
12216b99aaa0000
13a7b55855c466
14499d97d63cc0
1522e6790a044c
hex114992f68200

19007695913472 has 1600 divisors, whose sum is σ = 70569476550144. Its totient is φ = 4970588405760.

The previous prime is 19007695913443. The next prime is 19007695913497. The reversal of 19007695913472 is 27431959670091.

19007695913472 is a `hidden beast` number, since 1 + 9 + 0 + 0 + 7 + 6 + 9 + 591 + 34 + 7 + 2 = 666.

It is a super-2 number, since 2×190076959134722 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 31007660238 + ... + 31007660850.

Almost surely, 219007695913472 is an apocalyptic number.

19007695913472 is a gapful number since it is divisible by the number (12) 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 19007695913472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35284738275072).

19007695913472 is an abundant number, since it is smaller than the sum of its proper divisors (51561780636672).

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

19007695913472 is a wasteful number, since it uses less digits than its factorization.

19007695913472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 19007695913472 in words is "nineteen trillion, seven billion, six hundred ninety-five million, nine hundred thirteen thousand, four hundred seventy-two".