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6461700234431 = 13497053864187
BaseRepresentation
bin101111000000111101101…
…0110001101110010111111
3211212201202222222120210212
41132001323112031302333
51321332030230000211
621424244125223035
71234561645516451
oct136017326156277
924781688876725
106461700234431
112071434365132
128843a2401a7b
1337b4497574a0
14184a6858c2d1
15b313c4d238b
hex5e07b58dcbf

6461700234431 has 4 divisors (see below), whose sum is σ = 6958754098632. Its totient is φ = 5964646370232.

The previous prime is 6461700234421. The next prime is 6461700234491. The reversal of 6461700234431 is 1344320071646.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6461700234431 - 222 = 6461696040127 is a prime.

It is a super-2 number, since 2×64617002344312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461700234421) 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, 248526932081 + ... + 248526932106.

It is an arithmetic number, because the mean of its divisors is an integer number (1739688524658).

Almost surely, 26461700234431 is an apocalyptic number.

6461700234431 is a deficient number, since it is larger than the sum of its proper divisors (497053864201).

6461700234431 is a wasteful number, since it uses less digits than its factorization.

6461700234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497053864200.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 6461700234431 in words is "six trillion, four hundred sixty-one billion, seven hundred million, two hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 13 497053864187 6461700234431