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31146206024470 = 2531101994768637
BaseRepresentation
bin1110001010011110010101…
…00010111101001100010110
311002021112210122112202211111
413011033022202331030112
513040244412220240340
6150124211452125234
76363145010011315
oct705171242751426
9132245718482744
1031146206024470
119a19039359129
1235b041546681a
13144c0c7c4bcb4
147996ad34027c
153902b6ee3aea
hex1c53ca8bd316

31146206024470 has 32 divisors (see below), whose sum is σ = 58444647019776. Its totient is φ = 11937223632000.

The previous prime is 31146206024447. The next prime is 31146206024473. The reversal of 31146206024470 is 7442060264113.

It is a happy number.

It is a super-2 number, since 2×311462060244702 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31146206024473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497353009 + ... + 497415628.

It is an arithmetic number, because the mean of its divisors is an integer number (1826395219368).

Almost surely, 231146206024470 is an apocalyptic number.

31146206024470 is a deficient number, since it is larger than the sum of its proper divisors (27298440995306).

31146206024470 is a wasteful number, since it uses less digits than its factorization.

31146206024470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994768776.

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 31146206024470 its reverse (7442060264113), we get a palindrome (38588266288583).

The spelling of 31146206024470 in words is "thirty-one trillion, one hundred forty-six billion, two hundred six million, twenty-four thousand, four hundred seventy".

Divisors: 1 2 5 10 31 62 101 155 202 310 505 1010 3131 6262 15655 31310 994768637 1989537274 4973843185 9947686370 30837827747 61675655494 100471632337 154189138735 200943264674 308378277470 502358161685 1004716323370 3114620602447 6229241204894 15573103012235 31146206024470