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30555155040423 = 313260266577989
BaseRepresentation
bin1101111001010001011010…
…01010011000100010100111
311000012001012021211211101120
412330220231022120202213
513001103424142243143
6144552502222225023
76302352140360646
oct674505512304247
9130161167754346
1030555155040423
1198104064a3792
123515963725173
131408453330800
14778c3d7dd35d
1537ec22b31383
hex1bca2d2988a7

30555155040423 has 12 divisors (see below), whose sum is σ = 44115135088680. Its totient is φ = 18803172332256.

The previous prime is 30555155040401. The next prime is 30555155040461. The reversal of 30555155040423 is 32404055155503.

It is not a de Polignac number, because 30555155040423 - 212 = 30555155036327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30555155040493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30133288488 + ... + 30133289501.

It is an arithmetic number, because the mean of its divisors is an integer number (3676261257390).

Almost surely, 230555155040423 is an apocalyptic number.

30555155040423 is a deficient number, since it is larger than the sum of its proper divisors (13559980048257).

30555155040423 is a wasteful number, since it uses less digits than its factorization.

30555155040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60266578018 (or 60266578005 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 30555155040423 in words is "thirty trillion, five hundred fifty-five billion, one hundred fifty-five million, forty thousand, four hundred twenty-three".

Divisors: 1 3 13 39 169 507 60266577989 180799733967 783465513857 2350396541571 10185051680141 30555155040423