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2515252012 = 2271322918329
BaseRepresentation
bin1001010111101011…
…1011001100101100
320111021220001002221
42111322323030230
520122401031022
61053330325124
7116221201150
oct22572731454
96437801087
102515252012
111080881079
125a24297a4
1331113c700
1419c0a1060
15eac3ecc7
hex95ebb32c

2515252012 has 72 divisors (see below), whose sum is σ = 5635375200. Its totient is φ = 960680448.

The previous prime is 2515251961. The next prime is 2515252027. The reversal of 2515252012 is 2102525152.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128064 + ... + 146392.

It is an arithmetic number, because the mean of its divisors is an integer number (78269100).

Almost surely, 22515252012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2515252012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2817687600).

2515252012 is an abundant number, since it is smaller than the sum of its proper divisors (3120123188).

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

2515252012 is a wasteful number, since it uses less digits than its factorization.

2515252012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18395 (or 18380 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2515252012 is about 50152.2882030322. The cubic root of 2515252012 is about 1359.9632364630.

Adding to 2515252012 its reverse (2102525152), we get a palindrome (4617777164).

The spelling of 2515252012 in words is "two billion, five hundred fifteen million, two hundred fifty-two thousand, twelve".

Divisors: 1 2 4 7 13 14 26 28 29 52 58 91 116 169 182 203 338 364 377 406 676 754 812 1183 1508 2366 2639 4732 4901 5278 9802 10556 18329 19604 34307 36658 68614 73316 128303 137228 238277 256606 476554 513212 531541 953108 1063082 1667939 2126164 3097601 3335878 3720787 6195202 6671756 6910033 7441574 12390404 13820066 14883148 21683207 27640132 43366414 48370231 86732828 89830429 96740462 179660858 193480924 359321716 628813003 1257626006 2515252012