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3100121351 = 71137318713
BaseRepresentation
bin1011100011001000…
…0001100100000111
322000001102111000022
42320302001210013
522322112340401
61231342205355
7136552411445
oct27062014407
98001374008
103100121351
111350a35068
1272628385b
133a536b342
14215a29b95
1513226e71b
hexb8c81907

3100121351 has 8 divisors (see below), whose sum is σ = 3166742304. Its totient is φ = 3034138240.

The previous prime is 3100121347. The next prime is 3100121357. The reversal of 3100121351 is 1531210013.

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 3100121351 - 22 = 3100121347 is a prime.

It is a super-2 number, since 2×31001213512 = 19221504781852130402, which 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 (3100121357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149630 + ... + 169083.

It is an arithmetic number, because the mean of its divisors is an integer number (395842788).

Almost surely, 23100121351 is an apocalyptic number.

3100121351 is a deficient number, since it is larger than the sum of its proper divisors (66620953).

3100121351 is a wasteful number, since it uses less digits than its factorization.

3100121351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318921.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 3100121351 is about 55678.7333817859. The cubic root of 3100121351 is about 1458.1187615850.

Adding to 3100121351 its reverse (1531210013), we get a palindrome (4631331364).

The spelling of 3100121351 in words is "three billion, one hundred million, one hundred twenty-one thousand, three hundred fifty-one".

Divisors: 1 71 137 9727 318713 22628623 43663681 3100121351