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6901372990 = 25690137299
BaseRepresentation
bin1100110110101101…
…01001100000111110
3122210222011001222001
412123112221200332
5103113222413430
63100452212514
7333010462651
oct63326514076
918728131861
106901372990
112a21710746
12140730a13a
1385ca53375
14496805898
152a5d363ca
hex19b5a983e

6901372990 has 8 divisors (see below), whose sum is σ = 12422471400. Its totient is φ = 2760549192.

The previous prime is 6901372979. The next prime is 6901372997. The reversal of 6901372990 is 992731096.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6901372990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6901372997) 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, 345068640 + ... + 345068659.

It is an arithmetic number, because the mean of its divisors is an integer number (1552808925).

Almost surely, 26901372990 is an apocalyptic number.

6901372990 is a deficient number, since it is larger than the sum of its proper divisors (5521098410).

6901372990 is a wasteful number, since it uses less digits than its factorization.

6901372990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690137306.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 6901372990 is about 83074.5026467207. The cubic root of 6901372990 is about 1903.9045274301.

The spelling of 6901372990 in words is "six billion, nine hundred one million, three hundred seventy-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 690137299 1380274598 3450686495 6901372990