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6990885876741 = 313179253484019
BaseRepresentation
bin110010110111011000101…
…0001001111010000000101
3220202022200212010112200120
41211232301101033100011
51404014313241023431
622511322454132153
71321034445332244
oct145566121172005
926668625115616
106990885876741
1122558aa909678
1294aa69651059
133b931232b2a0
141a25099d495b
15c1cb04cd196
hex65bb144f405

6990885876741 has 8 divisors (see below), whose sum is σ = 10038195105120. Its totient is φ = 4302083616432.

The previous prime is 6990885876629. The next prime is 6990885876743. The reversal of 6990885876741 is 1476785880996.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6990885876741 - 29 = 6990885876229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990885876743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89626741971 + ... + 89626742048.

It is an arithmetic number, because the mean of its divisors is an integer number (1254774388140).

Almost surely, 26990885876741 is an apocalyptic number.

It is an amenable number.

6990885876741 is a deficient number, since it is larger than the sum of its proper divisors (3047309228379).

6990885876741 is a wasteful number, since it uses less digits than its factorization.

6990885876741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179253484035.

The product of its (nonzero) digits is 1463132160, while the sum is 78.

The spelling of 6990885876741 in words is "six trillion, nine hundred ninety billion, eight hundred eighty-five million, eight hundred seventy-six thousand, seven hundred forty-one".

Divisors: 1 3 13 39 179253484019 537760452057 2330295292247 6990885876741