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10143055452 = 2235699911499
BaseRepresentation
bin10010111001001001…
…01011111001011100
3222011212221121022110
421130210223321130
5131233110233302
64354252514020
7506232356145
oct113444537134
928155847273
1010143055452
114335543762
121b70a7b910
13c5852747a
146c3160acc
153e5719b6c
hex25c92be5c

10143055452 has 48 divisors (see below), whose sum is σ = 23748480000. Its totient is φ = 3369421440.

The previous prime is 10143055397. The next prime is 10143055463. The reversal of 10143055452 is 25455034101.

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, 6765799 + ... + 6767297.

It is an arithmetic number, because the mean of its divisors is an integer number (494760000).

Almost surely, 210143055452 is an apocalyptic number.

10143055452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10143055452 is an abundant number, since it is smaller than the sum of its proper divisors (13605424548).

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

10143055452 is a wasteful number, since it uses less digits than its factorization.

10143055452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 10143055452 its reverse (25455034101), we get a palindrome (35598089553).

The spelling of 10143055452 in words is "ten billion, one hundred forty-three million, fifty-five thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 569 991 1138 1499 1707 1982 2276 2973 2998 3414 3964 4497 5946 5996 6828 8994 11892 17988 563879 852931 1127758 1485509 1691637 1705862 2255516 2558793 2971018 3383274 3411724 4456527 5117586 5942036 6766548 8913054 10235172 17826108 845254621 1690509242 2535763863 3381018484 5071527726 10143055452