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1213405040104 = 232391019622793
BaseRepresentation
bin10001101010000100100…
…100111000110111101000
311022000000021122201000021
4101222010210320313220
5124340023142240404
62325233001050224
7153444210443425
oct21520444706750
94260007581007
101213405040104
1142866956a134
121771baa86974
138a5678740ba
1442a2c9aad4c
152186b999454
hex11a84938de8

1213405040104 has 32 divisors (see below), whose sum is σ = 2286899568000. Its totient is φ = 603570147712.

The previous prime is 1213405040093. The next prime is 1213405040179. The reversal of 1213405040104 is 4010405043121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636932 + ... + 2259724.

It is an arithmetic number, because the mean of its divisors is an integer number (71465611500).

Almost surely, 21213405040104 is an apocalyptic number.

It is an amenable number.

1213405040104 is a deficient number, since it is larger than the sum of its proper divisors (1073494527896).

1213405040104 is a wasteful number, since it uses less digits than its factorization.

1213405040104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624057 (or 624053 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 1213405040104 in words is "one trillion, two hundred thirteen billion, four hundred five million, forty thousand, one hundred four".

Divisors: 1 2 4 8 239 478 956 1019 1912 2038 4076 8152 243541 487082 622793 974164 1245586 1948328 2491172 4982344 148847527 297695054 595390108 634626067 1190780216 1269252134 2538504268 5077008536 151675630013 303351260026 606702520052 1213405040104