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1552545211452 = 223129378767621
BaseRepresentation
bin10110100101111010111…
…001111110010000111100
312111102101112201110002020
4112211322321332100330
5200414103033231302
63145121320000140
7220111342361604
oct26457271762074
95442345643066
101552545211452
1154948132a484
12210a88300050
13b35345853c1
1455202019c04
152a5ba3eaebc
hex1697ae7e43c

1552545211452 has 12 divisors (see below), whose sum is σ = 3622605493416. Its totient is φ = 517515070480.

The previous prime is 1552545211411. The next prime is 1552545211561. The reversal of 1552545211452 is 2541125452551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64689383799 + ... + 64689383822.

It is an arithmetic number, because the mean of its divisors is an integer number (301883791118).

Almost surely, 21552545211452 is an apocalyptic number.

1552545211452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1552545211452 is an abundant number, since it is smaller than the sum of its proper divisors (2070060281964).

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

1552545211452 is a wasteful number, since it uses less digits than its factorization.

1552545211452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129378767628 (or 129378767626 counting only the distinct ones).

The product of its digits is 400000, while the sum is 42.

The spelling of 1552545211452 in words is "one trillion, five hundred fifty-two billion, five hundred forty-five million, two hundred eleven thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 129378767621 258757535242 388136302863 517515070484 776272605726 1552545211452