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30215104452231 = 3113829666116141
BaseRepresentation
bin1101101111011000000001…
…00100010101011010000111
310221222112110120200010012020
412313230000210111122013
512430021013214432411
6144132343302054223
76235653312150126
oct667540044253207
9127875416603166
1030215104452231
11969a176836826
12347ba8141a373
1313b236cb1960a
147665c14c1abd
15375e6e2e6606
hex1b7b00915687

30215104452231 has 32 divisors (see below), whose sum is σ = 40700983753920. Its totient is φ = 19936830412800.

The previous prime is 30215104452173. The next prime is 30215104452241. The reversal of 30215104452231 is 13225440151203.

It is not a de Polignac number, because 30215104452231 - 211 = 30215104450183 is a prime.

It is a super-2 number, since 2×302151044522312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30215104452192 and 30215104452201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30215104452241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1871939421 + ... + 1871955561.

It is an arithmetic number, because the mean of its divisors is an integer number (1271905742310).

Almost surely, 230215104452231 is an apocalyptic number.

30215104452231 is a deficient number, since it is larger than the sum of its proper divisors (10485879301689).

30215104452231 is a wasteful number, since it uses less digits than its factorization.

30215104452231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23747.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 30215104452231 in words is "thirty trillion, two hundred fifteen billion, one hundred four million, four hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 3 113 339 829 2487 6661 16141 19983 48423 93677 281031 752693 1823933 2258079 5471799 5521969 13380889 16565907 40142667 107515201 322545603 623982497 1512040457 1871947491 4536121371 12149217713 36447653139 89130101629 267390304887 10071701484077 30215104452231