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315202606140 = 22357951660719
BaseRepresentation
bin1001001011000111000…
…10100001010000111100
31010010121000022102210210
410211203202201100330
520131013331344030
6400445125432420
731526004642252
oct4454342412074
91103530272723
10315202606140
11111749721304
125110886b710
1323953635246
14113822265d2
1582ec194bb0
hex49638a143c

315202606140 has 48 divisors (see below), whose sum is σ = 882679633920. Its totient is φ = 84043329600.

The previous prime is 315202606139. The next prime is 315202606157. The reversal of 315202606140 is 41606202513.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 315202606098 and 315202606107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146701 + ... + 807419.

It is an arithmetic number, because the mean of its divisors is an integer number (18389159040).

Almost surely, 2315202606140 is an apocalyptic number.

315202606140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315202606140 is an abundant number, since it is smaller than the sum of its proper divisors (567477027780).

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

315202606140 is a wasteful number, since it uses less digits than its factorization.

315202606140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668682 (or 668680 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 315202606140 its reverse (41606202513), we get a palindrome (356808808653).

The spelling of 315202606140 in words is "three hundred fifteen billion, two hundred two million, six hundred six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7951 15902 23853 31804 39755 47706 79510 95412 119265 159020 238530 477060 660719 1321438 1982157 2642876 3303595 3964314 6607190 7928628 9910785 13214380 19821570 39643140 5253376769 10506753538 15760130307 21013507076 26266883845 31520260614 52533767690 63040521228 78800651535 105067535380 157601303070 315202606140