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42100313034440 = 2351052507825861
BaseRepresentation
bin10011001001010001111100…
…01101000000111011001000
312112001202021012110000001102
421210220332031000323020
521004232420114100230
6225312341121440532
711603435001215123
oct1144507615007310
9175052235400042
1042100313034440
1112461708178401
12487b3a57a0148
131a6507245113b
14a579477d33ba
154d01d466a045
hex264a3e340ec8

42100313034440 has 16 divisors (see below), whose sum is σ = 94725704327580. Its totient is φ = 16840125213760.

The previous prime is 42100313034431. The next prime is 42100313034443. The reversal of 42100313034440 is 4443031300124.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35108445356644 + 6991867677796 = 5925238^2 + 2644214^2 .

It is a super-2 number, since 2×421003130344402 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42100313034443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526253912891 + ... + 526253912970.

Almost surely, 242100313034440 is an apocalyptic number.

42100313034440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42100313034440 is an abundant number, since it is smaller than the sum of its proper divisors (52625391293140).

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

42100313034440 is a wasteful number, since it uses less digits than its factorization.

42100313034440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052507825872 (or 1052507825868 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42100313034440 its reverse (4443031300124), we get a palindrome (46543344334564).

The spelling of 42100313034440 in words is "forty-two trillion, one hundred billion, three hundred thirteen million, thirty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1052507825861 2105015651722 4210031303444 5262539129305 8420062606888 10525078258610 21050156517220 42100313034440