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2551152040 = 2351929115751
BaseRepresentation
bin1001100000001111…
…0111110110101000
320120210102221200121
42120003313312220
520211043331130
61101052013024
7120135302023
oct23003676650
96523387617
102551152040
11109a071318
125b2461174
133186cc028
141a2b681ba
15ede81d7a
hex980f7da8

2551152040 has 64 divisors (see below), whose sum is σ = 6250608000. Its totient is φ = 933408000.

The previous prime is 2551152029. The next prime is 2551152041. The reversal of 2551152040 is 402511552.

2551152040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2551151996 and 2551152014.

It is not an unprimeable number, because it can be changed into a prime (2551152041) 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, 35836 + ... + 79915.

It is an arithmetic number, because the mean of its divisors is an integer number (97665750).

Almost surely, 22551152040 is an apocalyptic number.

2551152040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551152040 is an abundant number, since it is smaller than the sum of its proper divisors (3699455960).

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

2551152040 is a wasteful number, since it uses less digits than its factorization.

2551152040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115810 (or 115806 counting only the distinct ones).

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

The square root of 2551152040 is about 50508.9302995025. The cubic root of 2551152040 is about 1366.4029174420.

Adding to 2551152040 its reverse (402511552), we get a palindrome (2953663592).

The spelling of 2551152040 in words is "two billion, five hundred fifty-one million, one hundred fifty-two thousand, forty".

Divisors: 1 2 4 5 8 10 19 20 29 38 40 58 76 95 116 145 152 190 232 290 380 551 580 760 1102 1160 2204 2755 4408 5510 11020 22040 115751 231502 463004 578755 926008 1157510 2199269 2315020 3356779 4398538 4630040 6713558 8797076 10996345 13427116 16783895 17594152 21992690 26854232 33567790 43985380 63778801 67135580 87970760 127557602 134271160 255115204 318894005 510230408 637788010 1275576020 2551152040