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30130331101020 = 22325167390728339
BaseRepresentation
bin1101101100111010000111…
…01011101010011101011100
310221200102122120122200022200
412312131003223222131130
512422123404230213040
6144025403311011500
76226562456435523
oct666350353523534
9127612576580280
1030130331101020
119667224457297
123467562b09b90
1313a737cab0a37
1476245c8034ba
15373b5bc41630
hex1b6743aea75c

30130331101020 has 36 divisors (see below), whose sum is σ = 91395337673640. Its totient is φ = 8034754960224.

The previous prime is 30130331101001. The next prime is 30130331101027. The reversal of 30130331101020 is 2010113303103.

It is a happy number.

30130331101020 is a `hidden beast` number, since 30 + 1 + 303 + 311 + 0 + 1 + 0 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30130331100984 and 30130331101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130331101027) 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, 83695363990 + ... + 83695364349.

Almost surely, 230130331101020 is an apocalyptic number.

30130331101020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30130331101020 is an abundant number, since it is smaller than the sum of its proper divisors (61265006572620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30130331101020 is a wasteful number, since it uses less digits than its factorization.

30130331101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167390728354 (or 167390728349 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30130331101020 its reverse (2010113303103), we get a palindrome (32140444404123).

The spelling of 30130331101020 in words is "thirty trillion, one hundred thirty billion, three hundred thirty-one million, one hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 167390728339 334781456678 502172185017 669562913356 836953641695 1004344370034 1506516555051 1673907283390 2008688740068 2510860925085 3013033110102 3347814566780 5021721850170 6026066220204 7532582775255 10043443700340 15065165550510 30130331101020