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10025525772 = 22323724131231
BaseRepresentation
bin10010101011001000…
…10110001000001100
3221212200210110220100
421111210112020030
5131013013311042
64334453451100
7503304364053
oct112544261014
927780713810
1010025525772
114285169999
121b39640a90
13c3a086a92
146b16c939a
153da25124c
hex25591620c

10025525772 has 72 divisors (see below), whose sum is σ = 26136061952. Its totient is φ = 3237926400.

The previous prime is 10025525717. The next prime is 10025525789. The reversal of 10025525772 is 27752552001.

10025525772 is a `hidden beast` number, since 10 + 0 + 25 + 52 + 577 + 2 = 666.

It is a super-2 number, since 2×100255257722 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305397 + ... + 336627.

Almost surely, 210025525772 is an apocalyptic number.

10025525772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10025525772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13068030976).

10025525772 is an abundant number, since it is smaller than the sum of its proper divisors (16110536180).

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

10025525772 is a wasteful number, since it uses less digits than its factorization.

10025525772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31519 (or 31514 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The spelling of 10025525772 in words is "ten billion, twenty-five million, five hundred twenty-five thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 241 333 444 482 666 723 964 1332 1446 2169 2892 4338 8676 8917 17834 26751 31231 35668 53502 62462 80253 93693 107004 124924 160506 187386 281079 321012 374772 562158 1124316 1155547 2311094 3466641 4622188 6933282 7526671 10399923 13866564 15053342 20799846 22580013 30106684 41599692 45160026 67740039 90320052 135480078 270960156 278486827 556973654 835460481 1113947308 1670920962 2506381443 3341841924 5012762886 10025525772