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30558165400 = 2352721827261
BaseRepresentation
bin11100011101011010…
…001001100110011000
32220212122120122100201
4130131122021212120
51000040342243100
622012131311544
72131155056140
oct343532114630
986778518321
1030558165400
1111a61318a54
125b09a4b5b4
132b5cc04099
14169c621920
15bdcb3136a
hex71d689998

30558165400 has 48 divisors (see below), whose sum is σ = 81197414640. Its totient is φ = 10477084800.

The previous prime is 30558165377. The next prime is 30558165403. The reversal of 30558165400 is 456185503.

It is a super-2 number, since 2×305581654002 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30558165400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30558165403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10912231 + ... + 10915030.

It is an arithmetic number, because the mean of its divisors is an integer number (1691612805).

Almost surely, 230558165400 is an apocalyptic number.

It is an amenable number.

30558165400 is an abundant number, since it is smaller than the sum of its proper divisors (50639249240).

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

30558165400 is a wasteful number, since it uses less digits than its factorization.

30558165400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21827284 (or 21827275 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 30558165400 in words is "thirty billion, five hundred fifty-eight million, one hundred sixty-five thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 21827261 43654522 87309044 109136305 152790827 174618088 218272610 305581654 436545220 545681525 611163308 763954135 873090440 1091363050 1222326616 1527908270 2182726100 3055816540 3819770675 4365452200 6111633080 7639541350 15279082700 30558165400