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230151211040 = 2555327140473
BaseRepresentation
bin1101011001011000010…
…1001100100000100000
3211000001122002220102102
43112112011030200200
512232322202223130
6253421403105532
722425235005242
oct3262605144040
9730048086372
10230151211040
11896743a4333
12387312122a8
131891ab1845a
14b1d464c092
155ec04bb645
hex359614c820

230151211040 has 48 divisors (see below), whose sum is σ = 553991355288. Its totient is φ = 90323490816.

The previous prime is 230151211013. The next prime is 230151211091. The reversal of 230151211040 is 40112151032.

It can be written as a sum of positive squares in 4 ways, for example, as 210244258576 + 19906952464 = 458524^2 + 141092^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 13561757 + ... + 13578716.

Almost surely, 2230151211040 is an apocalyptic number.

230151211040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230151211040 is an abundant number, since it is smaller than the sum of its proper divisors (323840144248).

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

230151211040 is a wasteful number, since it uses less digits than its factorization.

230151211040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27140541 (or 27140533 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 230151211040 its reverse (40112151032), we get a palindrome (270263362072).

The spelling of 230151211040 in words is "two hundred thirty billion, one hundred fifty-one million, two hundred eleven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 53 80 106 160 212 265 424 530 848 1060 1696 2120 4240 8480 27140473 54280946 108561892 135702365 217123784 271404730 434247568 542809460 868495136 1085618920 1438445069 2171237840 2876890138 4342475680 5753780276 7192225345 11507560552 14384450690 23015121104 28768901380 46030242208 57537802760 115075605520 230151211040