Search a number
-
+
6802890401731 = 194761163766169
BaseRepresentation
bin110001011111110101111…
…0111011010011111000011
3220002100110010110220122211
41202333223313122133003
51342424304420323411
622245112114442551
71301330652216334
oct142775367323703
926070403426584
106802890401731
1121930a930a806
1291a542293457
133a4682099448
14197393d8c28b
15bbe5adc0221
hex62febdda7c3

6802890401731 has 32 divisors (see below), whose sum is σ = 7478799897600. Its totient is φ = 6166242650880.

The previous prime is 6802890401717. The next prime is 6802890401767. The reversal of 6802890401731 is 1371040982086.

It is a cyclic number.

It is not a de Polignac number, because 6802890401731 - 213 = 6802890393539 is a prime.

It is a super-2 number, since 2×68028904017312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6802890401831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8496015 + ... + 9262183.

It is an arithmetic number, because the mean of its divisors is an integer number (233712496800).

Almost surely, 26802890401731 is an apocalyptic number.

6802890401731 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6802890401731 is a deficient number, since it is larger than the sum of its proper divisors (675909495869).

6802890401731 is a wasteful number, since it uses less digits than its factorization.

6802890401731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766459.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 6802890401731 in words is "six trillion, eight hundred two billion, eight hundred ninety million, four hundred one thousand, seven hundred thirty-one".

Divisors: 1 19 47 61 163 893 1159 2867 3097 7661 9943 54473 145559 188917 467321 766169 8879099 14557211 36009943 46736309 124885547 684188917 887989871 2196606523 2372825393 5869620709 7618018367 41735523937 111522793471 144742348973 358046863249 6802890401731