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149752925697 = 3434463260111
BaseRepresentation
bin1000101101110111111…
…0000100111000000001
3112022112112112211122110
42023131332010320001
54423143222110242
6152443500525533
713551005603004
oct2133576047001
9468475484573
10149752925697
1158567693611
1225033b508a9
131117732264b
147368a3753b
153d6707739c
hex22ddf84e01

149752925697 has 16 divisors (see below), whose sum is σ = 204360634368. Its totient is φ = 97491308880.

The previous prime is 149752925683. The next prime is 149752925743. The reversal of 149752925697 is 796529257941.

It is not a de Polignac number, because 149752925697 - 216 = 149752860161 is a prime.

It is a super-2 number, since 2×1497529256972 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149752925677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445672 + ... + 705782.

It is an arithmetic number, because the mean of its divisors is an integer number (12772539648).

Almost surely, 2149752925697 is an apocalyptic number.

It is an amenable number.

149752925697 is a deficient number, since it is larger than the sum of its proper divisors (54607708671).

149752925697 is a wasteful number, since it uses less digits than its factorization.

149752925697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264620.

The product of its digits is 85730400, while the sum is 66.

The spelling of 149752925697 in words is "one hundred forty-nine billion, seven hundred fifty-two million, nine hundred twenty-five thousand, six hundred ninety-seven".

Divisors: 1 3 43 129 4463 13389 191909 260111 575727 780333 11184773 33554319 1160875393 3482626179 49917641899 149752925697