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30056256673081 = 355927059312101
BaseRepresentation
bin1101101010110000001001…
…00000001001010100111001
310221102100110012112212001121
412311120010200021110321
512414420203202014311
6143531353110545241
76221331026254312
oct665300440112471
9127370405485047
1030056256673081
119638872366201
12345512b668221
1313a03a64b58a2
1475ca32a21609
15371c73aa7b71
hex1b5604809539

30056256673081 has 8 divisors (see below), whose sum is σ = 30065909227200. Its totient is φ = 30046604804400.

The previous prime is 30056256672991. The next prime is 30056256673103. The reversal of 30056256673081 is 18037665265003.

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 30056256673081 - 221 = 30056254575929 is a prime.

It is a super-2 number, since 2×300562566730812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30056256677081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96146931 + ... + 96459031.

It is an arithmetic number, because the mean of its divisors is an integer number (3758238653400).

Almost surely, 230056256673081 is an apocalyptic number.

It is an amenable number.

30056256673081 is a deficient number, since it is larger than the sum of its proper divisors (9652554119).

30056256673081 is a wasteful number, since it uses less digits than its factorization.

30056256673081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342719.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 30056256673081 in words is "thirty trillion, fifty-six billion, two hundred fifty-six million, six hundred seventy-three thousand, eighty-one".

Divisors: 1 3559 27059 312101 96302981 1110767459 8445140959 30056256673081