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30337157574221 = 116326085260167
BaseRepresentation
bin1101110010111011010111…
…00000000010111001001101
310222102012111200011010120212
412321131223200002321031
512434020444314333341
6144304410420052205
76250534021444001
oct671355340027115
9128365450133525
1030337157574221
119736a09620883
12349b664834065
1313c0a2148a464
1476c47d390701
153792146545eb
hex1b976b802e4d

30337157574221 has 4 divisors (see below), whose sum is σ = 30363242835552. Its totient is φ = 30311072312892.

The previous prime is 30337157574179. The next prime is 30337157574289. The reversal of 30337157574221 is 12247575173303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30337157574221 is a prime.

It is a super-2 number, since 2×303371575742212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30337157574221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30337157573221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13042628921 + ... + 13042631246.

It is an arithmetic number, because the mean of its divisors is an integer number (7590810708888).

Almost surely, 230337157574221 is an apocalyptic number.

It is an amenable number.

30337157574221 is a deficient number, since it is larger than the sum of its proper divisors (26085261331).

30337157574221 is a wasteful number, since it uses less digits than its factorization.

30337157574221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26085261330.

The product of its (nonzero) digits is 3704400, while the sum is 50.

The spelling of 30337157574221 in words is "thirty trillion, three hundred thirty-seven billion, one hundred fifty-seven million, five hundred seventy-four thousand, two hundred twenty-one".

Divisors: 1 1163 26085260167 30337157574221