Search a number
-
+
19011901882372 = 227678996495799
BaseRepresentation
bin1000101001010100011011…
…01010001000000000000100
32111022112001010112100102221
410110222031222020000010
54442442333340213442
6104233540330142124
74001364436424230
oct424521552100004
974275033470387
1019011901882372
11606a9a1a78573
122170773581944
13a7ba78a47c59
1449a2767b15c0
1522e82345d467
hex114a8da88004

19011901882372 has 12 divisors (see below), whose sum is σ = 38023803764800. Its totient is φ = 8147957949576.

The previous prime is 19011901882331. The next prime is 19011901882373. The reversal of 19011901882372 is 27328810911091.

19011901882372 is an admirable number.

It is a super-2 number, since 2×190119018823722 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19011901882373) 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, 339498247872 + ... + 339498247927.

Almost surely, 219011901882372 is an apocalyptic number.

It is an amenable number.

19011901882372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19011901882372 is a wasteful number, since it uses less digits than its factorization.

19011901882372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678996495810 (or 678996495808 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 19011901882372 in words is "nineteen trillion, eleven billion, nine hundred one million, eight hundred eighty-two thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 678996495799 1357992991598 2715985983196 4752975470593 9505950941186 19011901882372