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29770051600 = 245286272
BaseRepresentation
bin11011101110011011…
…101111000000010000
32211211201121022110201
4123232123233000100
5441432113122400
621402015304544
72102505156232
oct335633570020
984751538421
1029770051600
1111697466433
125929b1b154
132a65853463
141625aac252
15b9385606a
hex6ee6ef010

29770051600 has 45 divisors (see below), whose sum is σ = 71530840477. Its totient is φ = 11906640320.

The previous prime is 29770051573. The next prime is 29770051627. The reversal of 29770051600 is 615007792.

The square root of 29770051600 is 172540.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (29770051573) and next prime (29770051627).

It can be written as a sum of positive squares in only one way, i.e., 10717218576 + 19052833024 = 103524^2 + 138032^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29770051600.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3446487 + ... + 3455113.

Almost surely, 229770051600 is an apocalyptic number.

29770051600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

29770051600 is the 172540-th square number.

It is an amenable number.

29770051600 is an abundant number, since it is smaller than the sum of its proper divisors (41760788877).

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

29770051600 is an frugal number, since it uses more digits than its factorization.

29770051600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17272 (or 8634 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The spelling of 29770051600 in words is "twenty-nine billion, seven hundred seventy million, fifty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 8627 17254 34508 43135 69016 86270 138032 172540 215675 345080 431350 690160 862700 1725400 3450800 74425129 148850258 297700516 372125645 595401032 744251290 1190802064 1488502580 1860628225 2977005160 3721256450 5954010320 7442512900 14885025800 29770051600