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10520101452 = 2237225576997
BaseRepresentation
bin10011100110000110…
…00000001001001100
31000011011102112012010
421303003000021030
5133021121221302
64455522141220
7521461246500
oct116303001114
930134375163
1010520101452
114509360a23
1220571b1810
13cb868cc03
1471b26c300
1541889716c
hex2730c024c

10520101452 has 72 divisors (see below), whose sum is σ = 28569810864. Its totient is φ = 3004138368.

The previous prime is 10520101429. The next prime is 10520101457. The reversal of 10520101452 is 25410102501.

It is a super-2 number, since 2×105201014522 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10520101457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1500018 + ... + 1507014.

Almost surely, 210520101452 is an apocalyptic number.

10520101452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10520101452 is an abundant number, since it is smaller than the sum of its proper divisors (18049709412).

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

10520101452 is a wasteful number, since it uses less digits than its factorization.

10520101452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575 (or 9566 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 10520101452 its reverse (25410102501), we get a palindrome (35930203953).

The spelling of 10520101452 in words is "ten billion, five hundred twenty million, one hundred one thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 2557 5114 6997 7671 10228 13994 15342 17899 20991 27988 30684 35798 41982 48979 53697 71596 83964 97958 107394 125293 146937 195916 214788 250586 293874 342853 375879 501172 587748 685706 751758 1028559 1371412 1503516 2057118 4114236 17891329 35782658 53673987 71565316 107347974 125239303 214695948 250478606 375717909 500957212 751435818 876675121 1502871636 1753350242 2630025363 3506700484 5260050726 10520101452