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105054021204 = 223115711393807
BaseRepresentation
bin110000111010110110…
…1010010011001010100
3101001011101200012222020
41201311231102121110
53210122312134304
6120132224133140
710406223306126
oct1416555223124
9331141605866
10105054021204
114060a290030
121843a4671b0
139ba2903b32
145128385216
152aeccb25d9
hex1875b52654

105054021204 has 48 divisors (see below), whose sum is σ = 267878747136. Its totient is φ = 31778776800.

The previous prime is 105054021181. The next prime is 105054021251. The reversal of 105054021204 is 402120450501.

It is a super-2 number, since 2×1050540212042 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621532 + ... + 772275.

It is an arithmetic number, because the mean of its divisors is an integer number (5580807232).

Almost surely, 2105054021204 is an apocalyptic number.

It is an amenable number.

105054021204 is an abundant number, since it is smaller than the sum of its proper divisors (162824725932).

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

105054021204 is a wasteful number, since it uses less digits than its factorization.

105054021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394396 (or 1394394 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 105054021204 its reverse (402120450501), we get a palindrome (507174471705).

The spelling of 105054021204 in words is "one hundred five billion, fifty-four million, twenty-one thousand, two hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 571 1142 1713 2284 3426 6281 6852 12562 18843 25124 37686 75372 1393807 2787614 4181421 5575228 8362842 15331877 16725684 30663754 45995631 61327508 91991262 183982524 795863797 1591727594 2387591391 3183455188 4775182782 8754501767 9550365564 17509003534 26263505301 35018007068 52527010602 105054021204