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32313440430 = 23351097109097
BaseRepresentation
bin11110000110000001…
…111111100010101110
310002101222102212001000
4132012001333202232
51012134220043210
622502233101130
72222520466065
oct360601774256
9102358385030
1032313440430
1112782105077
1263198577a6
13307c764a6b
1417c77b51dc
15c91ca2ac0
hex78607f8ae

32313440430 has 64 divisors (see below), whose sum is σ = 86248514880. Its totient is φ = 8608983552.

The previous prime is 32313440417. The next prime is 32313440431. The reversal of 32313440430 is 3404431323.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 32313440394 and 32313440403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32313440431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241642 + ... + 350738.

It is an arithmetic number, because the mean of its divisors is an integer number (1347633045).

Almost surely, 232313440430 is an apocalyptic number.

32313440430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32313440430 is an abundant number, since it is smaller than the sum of its proper divisors (53935074450).

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

32313440430 is a wasteful number, since it uses less digits than its factorization.

32313440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110210 (or 110204 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 32313440430 its reverse (3404431323), we get a palindrome (35717871753).

The spelling of 32313440430 in words is "thirty-two billion, three hundred thirteen million, four hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1097 2194 3291 5485 6582 9873 10970 16455 19746 29619 32910 49365 59238 98730 109097 148095 218194 296190 327291 545485 654582 981873 1090970 1636455 1963746 2945619 3272910 4909365 5891238 9818730 14728095 29456190 119679409 239358818 359038227 598397045 718076454 1077114681 1196794090 1795191135 2154229362 3231344043 3590382270 5385573405 6462688086 10771146810 16156720215 32313440430