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11245161540 = 2235187419359
BaseRepresentation
bin10100111100100001…
…11000110001000100
31002000200202101122110
422132100320301010
5141012230132130
65055502501020
7545444203344
oct123620706104
932020671573
1011245161540
114850667338
122219b94770
1310a2964952
1478968ad24
1545c369ab0
hex29e438c44

11245161540 has 24 divisors (see below), whose sum is σ = 31486452480. Its totient is φ = 2998709728.

The previous prime is 11245161509. The next prime is 11245161559. The reversal of 11245161540 is 4516154211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11245161498 and 11245161507.

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, 93709620 + ... + 93709739.

It is an arithmetic number, because the mean of its divisors is an integer number (1311935520).

Almost surely, 211245161540 is an apocalyptic number.

11245161540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11245161540 is an abundant number, since it is smaller than the sum of its proper divisors (20241290940).

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

11245161540 is a wasteful number, since it uses less digits than its factorization.

11245161540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187419371 (or 187419369 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 11245161540 in words is "eleven billion, two hundred forty-five million, one hundred sixty-one thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 187419359 374838718 562258077 749677436 937096795 1124516154 1874193590 2249032308 2811290385 3748387180 5622580770 11245161540