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6972190137 = 3211471498429
BaseRepresentation
bin1100111111001001…
…10010110110111001
3122222220101221211100
412133210302312321
5103234340041022
63111502122013
7334530431643
oct63744626671
918886357740
106972190137
112a5868a710
121426b80309
13871619ac3
144a1d9b893
152ac1741ac
hex19f932db9

6972190137 has 24 divisors (see below), whose sum is σ = 11220243840. Its totient is φ = 4135661280.

The previous prime is 6972190133. The next prime is 6972190207. The reversal of 6972190137 is 7310912796.

It is not a de Polignac number, because 6972190137 - 22 = 6972190133 is a prime.

It is a super-2 number, since 2×69721901372 = 97222870612960157538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6972190092 and 6972190101.

It is not an unprimeable number, because it can be changed into a prime (6972190133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744562 + ... + 753867.

It is an arithmetic number, because the mean of its divisors is an integer number (467510160).

Almost surely, 26972190137 is an apocalyptic number.

It is an amenable number.

6972190137 is a deficient number, since it is larger than the sum of its proper divisors (4248053703).

6972190137 is a wasteful number, since it uses less digits than its factorization.

6972190137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498493 (or 1498490 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 6972190137 is about 83499.6415381527. The cubic root of 6972190137 is about 1910.3945656534.

The spelling of 6972190137 in words is "six billion, nine hundred seventy-two million, one hundred ninety thousand, one hundred thirty-seven".

Divisors: 1 3 9 11 33 47 99 141 423 517 1551 4653 1498429 4495287 13485861 16482719 49448157 70426163 148344471 211278489 633835467 774687793 2324063379 6972190137