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30307028147031 = 3131302325510129
BaseRepresentation
bin1101110010000011001111…
…01001011001101101010111
310222022022201220022122111010
412321001213221121231113
512433022243201201111
6144242505001543303
76245416260521256
oct671014751315527
9128268656278433
1030307028147031
119725158317229
1234958564a4b33
1313bac2c34a52c
1476ac21a9479d
1537854e4b1aa6
hex1b9067a59b57

30307028147031 has 16 divisors (see below), whose sum is σ = 40731310287360. Its totient is φ = 20043817772160.

The previous prime is 30307028146999. The next prime is 30307028147069. The reversal of 30307028147031 is 13074182070303.

It is not a de Polignac number, because 30307028147031 - 25 = 30307028146999 is a prime.

It is a super-2 number, since 2×303070281470312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30307028142031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11567026 + ... + 13943103.

It is an arithmetic number, because the mean of its divisors is an integer number (2545706892960).

Almost surely, 230307028147031 is an apocalyptic number.

30307028147031 is a deficient number, since it is larger than the sum of its proper divisors (10424282140329).

30307028147031 is a wasteful number, since it uses less digits than its factorization.

30307028147031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25513286.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 30307028147031 in words is "thirty trillion, three hundred seven billion, twenty-eight million, one hundred forty-seven thousand, thirty-one".

Divisors: 1 3 131 393 3023 9069 396013 1188039 25510129 76530387 3341826899 10025480697 77117119967 231351359901 10102342715677 30307028147031