Search a number
-
+
63331056145 = 5731166335099
BaseRepresentation
bin111010111110110100…
…110011101000010001
320001110122112222202001
4322332310303220101
52014200222244040
645032140154001
74401255044440
oct727664635021
9201418488661
1063331056145
1124949803925
1210335538901
135c838c4126
1430cb034d57
1519a9ddc59a
hexebed33a11

63331056145 has 32 divisors (see below), whose sum is σ = 89712230400. Its totient is φ = 41999670720.

The previous prime is 63331056121. The next prime is 63331056149. The reversal of 63331056145 is 54165013336.

It is a happy number.

It is not a de Polignac number, because 63331056145 - 213 = 63331047953 is a prime.

It is a super-2 number, since 2×633310561452 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63331056149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1786806 + ... + 1821904.

It is an arithmetic number, because the mean of its divisors is an integer number (2803507200).

Almost surely, 263331056145 is an apocalyptic number.

It is an amenable number.

63331056145 is a deficient number, since it is larger than the sum of its proper divisors (26381174255).

63331056145 is a wasteful number, since it uses less digits than its factorization.

63331056145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36805.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 63331056145 in words is "sixty-three billion, three hundred thirty-one million, fifty-six thousand, one hundred forty-five".

Divisors: 1 5 7 31 35 155 217 1085 1663 8315 11641 35099 51553 58205 175495 245693 257765 360871 1088069 1228465 1804355 5440345 7616483 38082415 58369637 291848185 408587459 1809458747 2042937295 9047293735 12666211229 63331056145