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2102152532 = 223131753479
BaseRepresentation
bin111110101001100…
…0100110101010100
312102111120102011012
41331103010311110
513301122340112
6544332231352
7103044000404
oct17523046524
95374512135
102102152532
11989679347
124a800b558
1327669284c
1415d28a804
15c4840022
hex7d4c4d54

2102152532 has 24 divisors (see below), whose sum is σ = 3809487360. Its totient is φ = 1013942880.

The previous prime is 2102152529. The next prime is 2102152541. The reversal of 2102152532 is 2352512012.

It is a super-2 number, since 2×21021525322 = 8838090535588022048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102152498 and 2102152507.

It is a congruent number.

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, 12569 + ... + 66047.

It is an arithmetic number, because the mean of its divisors is an integer number (158728640).

Almost surely, 22102152532 is an apocalyptic number.

It is an amenable number.

2102152532 is a deficient number, since it is larger than the sum of its proper divisors (1707334828).

2102152532 is a wasteful number, since it uses less digits than its factorization.

2102152532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53831 (or 53829 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2102152532 is about 45849.2369838365. The cubic root of 2102152532 is about 1281.0165532975.

Adding to 2102152532 its reverse (2352512012), we get a palindrome (4454664544).

The spelling of 2102152532 in words is "two billion, one hundred two million, one hundred fifty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 31 62 124 317 634 1268 9827 19654 39308 53479 106958 213916 1657849 3315698 6631396 16952843 33905686 67811372 525538133 1051076266 2102152532