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1454964915942 = 23217229432111063
BaseRepresentation
bin10101001011000010101…
…010101011111011100110
312011002112000011211101100
4111023002222223323212
5142314232004302232
63032222431340530
7210055246505256
oct25130252537346
95132460154340
101454964915942
1151105784515a
121b5b94981746
13a7283170385
14505c64a7966
1527ca882ac7c
hex152c2aabee6

1454964915942 has 288 divisors, whose sum is σ = 3564957876480. Its totient is φ = 428027120640.

The previous prime is 1454964915893. The next prime is 1454964915949. The reversal of 1454964915942 is 2495194694541.

1454964915942 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 96 + 491 + 59 + 4 + 2 = 666.

It is a super-2 number, since 2×14549649159422 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1454964915942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454964915949) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1368734103 + ... + 1368735165.

It is an arithmetic number, because the mean of its divisors is an integer number (12378325960).

Almost surely, 21454964915942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1454964915942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782478938240).

1454964915942 is an abundant number, since it is smaller than the sum of its proper divisors (2109992960538).

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

1454964915942 is a wasteful number, since it uses less digits than its factorization.

1454964915942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1368 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 1454964915942 in words is "one trillion, four hundred fifty-four billion, nine hundred sixty-four million, nine hundred fifteen thousand, nine hundred forty-two".