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10312021132 = 227932339503
BaseRepresentation
bin10011001101010010…
…01111010010001100
3222121122212221122121
421212221033102030
5132104334134012
64423130222324
7513353506360
oct114651172214
928548787577
1010312021132
11441195a116
121bb95849a4
13c84536a6a
146db7852a0
15405493a07
hex266a4f48c

10312021132 has 24 divisors (see below), whose sum is σ = 20626776576. Its totient is φ = 4418851728.

The previous prime is 10312021129. The next prime is 10312021199. The reversal of 10312021132 is 23112021301.

It is a super-2 number, since 2×103120211322 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241293 + ... + 280795.

It is an arithmetic number, because the mean of its divisors is an integer number (859449024).

Almost surely, 210312021132 is an apocalyptic number.

It is an amenable number.

10312021132 is an abundant number, since it is smaller than the sum of its proper divisors (10314755444).

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

10312021132 is a wasteful number, since it uses less digits than its factorization.

10312021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48837 (or 48835 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10312021132 its reverse (23112021301), we get a palindrome (33424042433).

The spelling of 10312021132 in words is "ten billion, three hundred twelve million, twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 9323 18646 37292 39503 65261 79006 130522 158012 261044 276521 553042 1106084 368286469 736572938 1473145876 2578005283 5156010566 10312021132