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9202102031 = 31313948377
BaseRepresentation
bin10001001000111110…
…01110111100001111
3212202022101012212202
420210133032330033
5122321214231111
64121040552115
7444015401543
oct104437167417
925668335782
109202102031
1139a238a501
12194992263b
13b385c22b5
146341c3a23
1538ccedb3b
hex2247cef0f

9202102031 has 8 divisors (see below), whose sum is σ = 9529302144. Its totient is φ = 8876799360.

The previous prime is 9202102009. The next prime is 9202102073. The reversal of 9202102031 is 1302012029.

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

It is a cyclic number.

It is not a de Polignac number, because 9202102031 - 26 = 9202101967 is a prime.

It is a super-2 number, since 2×92021020312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9202101994 and 9202102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9202102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464486 + ... + 483891.

It is an arithmetic number, because the mean of its divisors is an integer number (1191162768).

Almost surely, 29202102031 is an apocalyptic number.

9202102031 is a deficient number, since it is larger than the sum of its proper divisors (327200113).

9202102031 is a wasteful number, since it uses less digits than its factorization.

9202102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948721.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 9202102031 is about 95927.5874344810. The cubic root of 9202102031 is about 2095.5386794023.

The spelling of 9202102031 in words is "nine billion, two hundred two million, one hundred two thousand, thirty-one".

Divisors: 1 31 313 9703 948377 29399687 296842001 9202102031