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155235150320050 = 25215401201591001
BaseRepresentation
bin100011010010111101111111…
…111111011101000110110010
3202100122100001112101212121201
4203102331333333131012302
5130321333041440220200
61310054013224041414
744461240511230663
oct4322757777350662
9670570045355551
10155235150320050
114550a9484246a9
12154b174190326a
1368807c5354798
142a495c831d36a
1512e3050e49c6a
hex8d2f7ffdd1b2

155235150320050 has 24 divisors (see below), whose sum is σ = 288756128990772. Its totient is φ = 62090028000000.

The previous prime is 155235150320021. The next prime is 155235150320053. The reversal of 155235150320050 is 50023051532551.

It can be written as a sum of positive squares in 6 ways, for example, as 146591144595289 + 8644005724761 = 12107483^2 + 2940069^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 155235150319991 and 155235150320009.

It is not an unprimeable number, because it can be changed into a prime (155235150320053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100025451 + ... + 101565550.

Almost surely, 2155235150320050 is an apocalyptic number.

155235150320050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155235150320050 is a deficient number, since it is larger than the sum of its proper divisors (133520978670722).

155235150320050 is a wasteful number, since it uses less digits than its factorization.

155235150320050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201606414 (or 201606409 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 155235150320050 in words is "one hundred fifty-five trillion, two hundred thirty-five billion, one hundred fifty million, three hundred twenty thousand, fifty".

Divisors: 1 2 5 10 25 50 15401 30802 77005 154010 385025 770050 201591001 403182002 1007955005 2015910010 5039775025 10079550050 3104703006401 6209406012802 15523515032005 31047030064010 77617575160025 155235150320050