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11430552020 = 2251515237237
BaseRepresentation
bin10101010010101000…
…00110000111010100
31002111121121012120112
422221110012013110
5141402210131040
65130124222152
7553155042356
oct125124060724
932447535515
1011430552020
114936280a08
12227009a958
1311021a5264
147a61490d6
1546d78a365
hex2a95061d4

11430552020 has 48 divisors (see below), whose sum is σ = 24212673408. Its totient is φ = 4532630400.

The previous prime is 11430551963. The next prime is 11430552053. The reversal of 11430552020 is 2025503411.

It is a congruent number.

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, 1575842 + ... + 1583078.

It is an arithmetic number, because the mean of its divisors is an integer number (504430696).

Almost surely, 211430552020 is an apocalyptic number.

11430552020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430552020 is an abundant number, since it is smaller than the sum of its proper divisors (12782121388).

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

11430552020 is a wasteful number, since it uses less digits than its factorization.

11430552020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920 (or 7918 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 11430552020 in words is "eleven billion, four hundred thirty million, five hundred fifty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 151 302 523 604 755 1046 1510 2092 2615 3020 5230 7237 10460 14474 28948 36185 72370 78973 144740 157946 315892 394865 789730 1092787 1579460 2185574 3784951 4371148 5463935 7569902 10927870 15139804 18924755 21855740 37849510 75699020 571527601 1143055202 2286110404 2857638005 5715276010 11430552020