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30620103310553 = 47651491559799
BaseRepresentation
bin1101111011001010011000…
…11000010111110011011001
311000102020211122110210122212
412331211030120113303121
513003134432421414203
6145042403053124505
76310141463512121
oct675451430276331
9130366748423585
1030620103310553
119835a05066399
12352646a789735
131411603ca6993
1477c041529c81
153817749bd1d8
hex1bd94c617cd9

30620103310553 has 4 divisors (see below), whose sum is σ = 31271594870400. Its totient is φ = 29968611750708.

The previous prime is 30620103310487. The next prime is 30620103310579. The reversal of 30620103310553 is 35501330102603.

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 not a de Polignac number, because 30620103310553 - 222 = 30620099116249 is a prime.

It is a super-2 number, since 2×306201033105532 (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 (30620103310253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325745779853 + ... + 325745779946.

It is an arithmetic number, because the mean of its divisors is an integer number (7817898717600).

Almost surely, 230620103310553 is an apocalyptic number.

It is an amenable number.

30620103310553 is a deficient number, since it is larger than the sum of its proper divisors (651491559847).

30620103310553 is an equidigital number, since it uses as much as digits as its factorization.

30620103310553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651491559846.

The product of its (nonzero) digits is 24300, while the sum is 32.

The spelling of 30620103310553 in words is "thirty trillion, six hundred twenty billion, one hundred three million, three hundred ten thousand, five hundred fifty-three".

Divisors: 1 47 651491559799 30620103310553