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11132545420 = 225896254239
BaseRepresentation
bin10100101111000110…
…10010100110001100
31001201211211220101001
422113203102212030
5140244412423140
65040401030044
7542606034433
oct122743224614
931654756331
1011132545420
1147a3039167
1221a8325324
1310855248a9
1477873411a
15452521e9a
hex2978d298c

11132545420 has 24 divisors (see below), whose sum is σ = 23641027200. Its totient is φ = 4402983552.

The previous prime is 11132545381. The next prime is 11132545423. The reversal of 11132545420 is 2454523111.

It is not an unprimeable number, because it can be changed into a prime (11132545423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3125340 + ... + 3128899.

It is an arithmetic number, because the mean of its divisors is an integer number (985042800).

Almost surely, 211132545420 is an apocalyptic number.

11132545420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11132545420 is an abundant number, since it is smaller than the sum of its proper divisors (12508481780).

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

11132545420 is a wasteful number, since it uses less digits than its factorization.

11132545420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254337 (or 6254335 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 11132545420 in words is "eleven billion, one hundred thirty-two million, five hundred forty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 6254239 12508478 25016956 31271195 62542390 125084780 556627271 1113254542 2226509084 2783136355 5566272710 11132545420