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13135530452 = 22111922370459
BaseRepresentation
bin11000011101111000…
…00100100111010100
31020220102211002021212
430032330010213110
5203400143433302
610011232000552
7643340111102
oct141674044724
936812732255
1013135530452
1156307344a0
122667090158
1313144a5835
148c8768c72
1551d2c4052
hex30ef049d4

13135530452 has 48 divisors (see below), whose sum is σ = 26515507200. Its totient is φ = 5631003360.

The previous prime is 13135530407. The next prime is 13135530481. The reversal of 13135530452 is 25403553131.

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, 151199 + ... + 221657.

It is an arithmetic number, because the mean of its divisors is an integer number (552406400).

Almost surely, 213135530452 is an apocalyptic number.

It is an amenable number.

13135530452 is an abundant number, since it is smaller than the sum of its proper divisors (13379976748).

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

13135530452 is a wasteful number, since it uses less digits than its factorization.

13135530452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70716 (or 70714 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 13135530452 in words is "thirteen billion, one hundred thirty-five million, five hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 4 11 19 22 38 44 76 209 223 418 446 836 892 2453 4237 4906 8474 9812 16948 46607 70459 93214 140918 186428 281836 775049 1338721 1550098 2677442 3100196 5354884 14725931 15712357 29451862 31424714 58903724 62849428 172835927 298534783 345671854 597069566 691343708 1194139132 3283882613 6567765226 13135530452