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1525010130 = 232573765423
BaseRepresentation
bin101101011100101…
…1100111011010010
310221021120112121200
41122321130323102
511110400311010
6411154132030
752535241450
oct13271347322
93837515550
101525010130
11712912756
12366881016
131b3c3ac77
141067739d0
158dd39cc0
hex5ae5ced2

1525010130 has 96 divisors (see below), whose sum is σ = 4654001664. Its totient is φ = 339147648.

The previous prime is 1525010107. The next prime is 1525010131. The reversal of 1525010130 is 310105251.

1525010130 is a `hidden beast` number, since 1 + 525 + 0 + 10 + 130 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1525010131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9402 + ... + 56021.

It is an arithmetic number, because the mean of its divisors is an integer number (48479184).

Almost surely, 21525010130 is an apocalyptic number.

1525010130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1525010130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2327000832).

1525010130 is an abundant number, since it is smaller than the sum of its proper divisors (3128991534).

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

1525010130 is a wasteful number, since it uses less digits than its factorization.

1525010130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65480 (or 65477 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1525010130 is about 39051.3780806773. The cubic root of 1525010130 is about 1151.0413076148.

Adding to 1525010130 its reverse (310105251), we get a palindrome (1835115381).

The spelling of 1525010130 in words is "one billion, five hundred twenty-five million, ten thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 37 42 45 63 70 74 90 105 111 126 185 210 222 259 315 333 370 518 555 630 666 777 1110 1295 1554 1665 2331 2590 3330 3885 4662 7770 11655 23310 65423 130846 196269 327115 392538 457961 588807 654230 915922 981345 1177614 1373883 1962690 2289805 2420651 2747766 2944035 4121649 4579610 4841302 5888070 6869415 7261953 8243298 12103255 13738830 14523906 16944557 20608245 21785859 24206510 33889114 36309765 41216490 43571718 50833671 72619530 84722785 101667342 108929295 152501013 169445570 217858590 254168355 305002026 508336710 762505065 1525010130