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132502121440 = 2551363702943
BaseRepresentation
bin111101101100110111…
…1011110101111100000
3110200000022010011222021
41323121233132233200
54132331020341230
6140512020151224
712400345310023
oct1733157365740
9420008104867
10132502121440
1151214aa1a97
122181a838514
13c658397770
1465ad90d1ba
1536a785cc7a
hex1ed9bdebe0

132502121440 has 48 divisors (see below), whose sum is σ = 337115979648. Its totient is φ = 48923859456.

The previous prime is 132502121417. The next prime is 132502121447. The reversal of 132502121440 is 44121205231.

It is a super-2 number, since 2×1325021214402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132502121447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31849392 + ... + 31853551.

It is an arithmetic number, because the mean of its divisors is an integer number (7023249576).

Almost surely, 2132502121440 is an apocalyptic number.

132502121440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132502121440 is an abundant number, since it is smaller than the sum of its proper divisors (204613858208).

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

132502121440 is a wasteful number, since it uses less digits than its factorization.

132502121440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63702971 (or 63702963 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 132502121440 its reverse (44121205231), we get a palindrome (176623326671).

The spelling of 132502121440 in words is "one hundred thirty-two billion, five hundred two million, one hundred twenty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 63702943 127405886 254811772 318514715 509623544 637029430 828138259 1019247088 1274058860 1656276518 2038494176 2548117720 3312553036 4140691295 5096235440 6625106072 8281382590 10192470880 13250212144 16562765180 26500424288 33125530360 66251060720 132502121440