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2155352402 = 27236693641
BaseRepresentation
bin1000000001111000…
…0001000101010010
312120012200020122202
42000132001011102
513403232234102
6553512403202
7104261123150
oct20036010522
95505606582
102155352402
11a06705185
125019a6502
132846cb568
141663783d0
15c934ce02
hex80781152

2155352402 has 16 divisors (see below), whose sum is σ = 3855537792. Its totient is φ = 883560480.

The previous prime is 2155352401. The next prime is 2155352443. The reversal of 2155352402 is 2042535512.

It is not an unprimeable number, because it can be changed into a prime (2155352401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3346499 + ... + 3347142.

It is an arithmetic number, because the mean of its divisors is an integer number (240971112).

Almost surely, 22155352402 is an apocalyptic number.

2155352402 is a deficient number, since it is larger than the sum of its proper divisors (1700185390).

2155352402 is a wasteful number, since it uses less digits than its factorization.

2155352402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693673.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2155352402 is about 46425.7730361057. The cubic root of 2155352402 is about 1291.7330236064.

Adding to 2155352402 its reverse (2042535512), we get a palindrome (4197887914).

The spelling of 2155352402 in words is "two billion, one hundred fifty-five million, three hundred fifty-two thousand, four hundred two".

Divisors: 1 2 7 14 23 46 161 322 6693641 13387282 46855487 93710974 153953743 307907486 1077676201 2155352402