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23251502130 = 23519331123239
BaseRepresentation
bin10101101001111001…
…011100010000110010
32020000102210200122120
4111221321130100302
5340104341032010
614403120215110
71452123335643
oct255171342062
966012720576
1023251502130
11995195976a
12460aa6a496
1322672094ac
1411a80796ca
1591143de70
hex569e5c432

23251502130 has 64 divisors (see below), whose sum is σ = 58918579200. Its totient is φ = 5856269760.

The previous prime is 23251502119. The next prime is 23251502177. The reversal of 23251502130 is 3120515232.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23251502130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127051 + ... + 250289.

It is an arithmetic number, because the mean of its divisors is an integer number (920602800).

Almost surely, 223251502130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23251502130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29459289600).

23251502130 is an abundant number, since it is smaller than the sum of its proper divisors (35667077070).

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

23251502130 is a wasteful number, since it uses less digits than its factorization.

23251502130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123599.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 23251502130 in words is "twenty-three billion, two hundred fifty-one million, five hundred two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 331 570 662 993 1655 1986 3310 4965 6289 9930 12578 18867 31445 37734 62890 94335 123239 188670 246478 369717 616195 739434 1232390 1848585 2341541 3697170 4683082 7024623 11707705 14049246 23415410 35123115 40792109 70246230 81584218 122376327 203960545 244752654 407921090 611881635 775050071 1223763270 1550100142 2325150213 3875250355 4650300426 7750500710 11625751065 23251502130