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33221111130 = 23252351157007
BaseRepresentation
bin11110111100001000…
…011110110101011010
310011202020101022011100
4132330020132311122
51021014101024010
623132255412230
72254151533254
oct367410366532
9104666338140
1033221111130
11130a84a6549
126531824076
133195815a0c
14187216acd4
15ce67e72c0
hex7bc21ed5a

33221111130 has 48 divisors (see below), whose sum is σ = 86412178944. Its totient is φ = 8855138400.

The previous prime is 33221111117. The next prime is 33221111137. The reversal of 33221111130 is 3111112233.

It is a super-2 number, since 2×332211111302 (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (33221111137) 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, 133087 + ... + 290093.

It is an arithmetic number, because the mean of its divisors is an integer number (1800253728).

Almost surely, 233221111130 is an apocalyptic number.

33221111130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33221111130 is an abundant number, since it is smaller than the sum of its proper divisors (53191067814).

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

33221111130 is a wasteful number, since it uses less digits than its factorization.

33221111130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159371 (or 159368 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 33221111130 its reverse (3111112233), we get a palindrome (36332223363).

The spelling of 33221111130 in words is "thirty-three billion, two hundred twenty-one million, one hundred eleven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2351 4702 7053 11755 14106 21159 23510 35265 42318 70530 105795 157007 211590 314014 471021 785035 942042 1413063 1570070 2355105 2826126 4710210 7065315 14130630 369123457 738246914 1107370371 1845617285 2214740742 3322111113 3691234570 5536851855 6644222226 11073703710 16610555565 33221111130