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1012133212040 = 235113247790401
BaseRepresentation
bin11101011101001111101…
…01110010111110001000
310120202111022012110101202
432232213311302332020
5113040322100241130
62052544555203332
7133060414232036
oct16564765627610
93522438173352
101012133212040
113602748a2765
121441a9446548
137459cc01b52
1436db7a1d556
151b4dba4c145
hexeba7d72f88

1012133212040 has 64 divisors (see below), whose sum is σ = 2298405760560. Its totient is φ = 401104076800.

The previous prime is 1012133212031. The next prime is 1012133212061. The reversal of 1012133212040 is 402123312101.

It can be written as a sum of positive squares in 8 ways, for example, as 64824215236 + 947308996804 = 254606^2 + 973298^2 .

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 15 ways as a sum of consecutive naturals, for example, 11150840 + ... + 11241240.

Almost surely, 21012133212040 is an apocalyptic number.

1012133212040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012133212040 is an abundant number, since it is smaller than the sum of its proper divisors (1286272548520).

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

1012133212040 is a wasteful number, since it uses less digits than its factorization.

1012133212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93002 (or 92998 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1012133212040 its reverse (402123312101), we get a palindrome (1414256524141).

The spelling of 1012133212040 in words is "one trillion, twelve billion, one hundred thirty-three million, two hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 113 226 452 565 904 1130 2260 2477 4520 4954 9908 12385 19816 24770 49540 90401 99080 180802 279901 361604 452005 559802 723208 904010 1119604 1399505 1808020 2239208 2799010 3616040 5598020 10215313 11196040 20430626 40861252 51076565 81722504 102153130 204306260 223923277 408612520 447846554 895693108 1119616385 1791386216 2239232770 4478465540 8956931080 25303330301 50606660602 101213321204 126516651505 202426642408 253033303010 506066606020 1012133212040