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1220103142404 = 2233131710346521
BaseRepresentation
bin10001110000010011110…
…100000111110000000100
311022122022002022120000020
4101300103310013300010
5124442232401024104
62332301352415140
7154102202410446
oct21602364076004
94278262276006
101220103142404
11430496463573
1217856a0a74b0
138b094466543
14430a63bc496
1521b0ea2c2d9
hex11c13d07c04

1220103142404 has 48 divisors (see below), whose sum is σ = 2948013820416. Its totient is φ = 392340038400.

The previous prime is 1220103142351. The next prime is 1220103142417. The reversal of 1220103142404 is 4042413010221.

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, 5055337 + ... + 5291184.

It is an arithmetic number, because the mean of its divisors is an integer number (61416954592).

Almost surely, 21220103142404 is an apocalyptic number.

It is an amenable number.

1220103142404 is an abundant number, since it is smaller than the sum of its proper divisors (1727910678012).

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

1220103142404 is a wasteful number, since it uses less digits than its factorization.

1220103142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10346876 (or 10346874 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1220103142404 its reverse (4042413010221), we get a palindrome (5262516152625).

The spelling of 1220103142404 in words is "one trillion, two hundred twenty billion, one hundred three million, one hundred forty-two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 317 372 634 951 1268 1902 3804 9827 19654 29481 39308 58962 117924 10346521 20693042 31039563 41386084 62079126 124158252 320742151 641484302 962226453 1282968604 1924452906 3279847157 3848905812 6559694314 9839541471 13119388628 19679082942 39358165884 101675261867 203350523734 305025785601 406701047468 610051571202 1220103142404