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31352201740 = 22511171403411
BaseRepresentation
bin11101001100101111…
…001010001000001100
32222220222200212110001
4131030233022020030
51003202130423430
622223014254044
72156636213656
oct351457121014
988828625401
1031352201740
1112329556232
1260ab957324
132c58579682
141735c776d6
15c376cb3ca
hex74cbca20c

31352201740 has 24 divisors (see below), whose sum is σ = 65898613872. Its totient is φ = 12529644480.

The previous prime is 31352201731. The next prime is 31352201747. The reversal of 31352201740 is 4710225313.

It is a junction number, because it is equal to n+sod(n) for n = 31352201699 and 31352201708.

It is not an unprimeable number, because it can be changed into a prime (31352201747) 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, 679366 + ... + 724045.

It is an arithmetic number, because the mean of its divisors is an integer number (2745775578).

Almost surely, 231352201740 is an apocalyptic number.

It is an amenable number.

31352201740 is an abundant number, since it is smaller than the sum of its proper divisors (34546412132).

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

31352201740 is a wasteful number, since it uses less digits than its factorization.

31352201740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404537 (or 1404535 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 31352201740 in words is "thirty-one billion, three hundred fifty-two million, two hundred one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1117 2234 4468 5585 11170 22340 1403411 2806822 5613644 7017055 14034110 28068220 1567610087 3135220174 6270440348 7838050435 15676100870 31352201740