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12628053552 = 243436739091
BaseRepresentation
bin10111100001011000…
…01100111000110000
31012121001220120212010
423300230030320300
5201330240203202
65445023002520
7624635453442
oct136054147060
935531816763
1012628053552
1153a02305a4
122545139440
13126330344a
1487b1c8492
154dd98076c
hex2f0b0ce30

12628053552 has 80 divisors (see below), whose sum is σ = 33434411648. Its totient is φ = 4104898560.

The previous prime is 12628053499. The next prime is 12628053563. The reversal of 12628053552 is 25535082621.

It is a self number, because there is not a number n which added to its sum of digits gives 12628053552.

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, 1384527 + ... + 1393617.

Almost surely, 212628053552 is an apocalyptic number.

12628053552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12628053552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16717205824).

12628053552 is an abundant number, since it is smaller than the sum of its proper divisors (20806358096).

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

12628053552 is a wasteful number, since it uses less digits than its factorization.

12628053552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818 (or 9812 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 12628053552 in words is "twelve billion, six hundred twenty-eight million, fifty-three thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 86 129 172 258 344 516 673 688 1032 1346 2019 2064 2692 4038 5384 8076 9091 10768 16152 18182 27273 28939 32304 36364 54546 57878 72728 86817 109092 115756 145456 173634 218184 231512 347268 390913 436368 463024 694536 781826 1172739 1389072 1563652 2345478 3127304 4690956 6118243 6254608 9381912 12236486 18354729 18763824 24472972 36709458 48945944 73418916 97891888 146837832 263084449 293675664 526168898 789253347 1052337796 1578506694 2104675592 3157013388 4209351184 6314026776 12628053552