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105012435400 = 2352557942661
BaseRepresentation
bin110000111001100111…
…0101001100111001000
3101001001111102102222021
41201303032221213020
53210031140413100
6120124140534224
710405206654535
oct1416316514710
9331044372867
10105012435400
1140598866aa4
1218428551374
139b97103552
145122a3bd8c
152ae92eaa1a
hex18733a99c8

105012435400 has 48 divisors (see below), whose sum is σ = 244592509140. Its totient is φ = 41929516800.

The previous prime is 105012435397. The next prime is 105012435413. The reversal of 105012435400 is 4534210501.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11279714436 + 93732720964 = 106206^2 + 306158^2 .

It is a super-2 number, since 2×1050124354002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359931 + ... + 582730.

Almost surely, 2105012435400 is an apocalyptic number.

105012435400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105012435400 is an abundant number, since it is smaller than the sum of its proper divisors (139580073740).

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

105012435400 is a wasteful number, since it uses less digits than its factorization.

105012435400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943234 (or 943225 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 105012435400 its reverse (4534210501), we get a palindrome (109546645901).

The spelling of 105012435400 in words is "one hundred five billion, twelve million, four hundred thirty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 557 1114 2228 2785 4456 5570 11140 13925 22280 27850 55700 111400 942661 1885322 3770644 4713305 7541288 9426610 18853220 23566525 37706440 47133050 94266100 188532200 525062177 1050124354 2100248708 2625310885 4200497416 5250621770 10501243540 13126554425 21002487080 26253108850 52506217700 105012435400