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16451507123053 = 311869592838557
BaseRepresentation
bin1110111101100110101000…
…1111001111001101101101
32011020202012211002010111121
43233121222033033031231
54124020141310414203
654553415032420541
73315403453155142
oct357315217171555
964222184063447
1016451507123053
115273054976762
121a184b4547751
139244a7bb0852
1440c385a4a3c9
151d7e1c61e0bd
hexef66a3cf36d

16451507123053 has 8 divisors (see below), whose sum is σ = 16982297717760. Its totient is φ = 15920722579440.

The previous prime is 16451507123017. The next prime is 16451507123083. The reversal of 16451507123053 is 35032170515461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16451507123053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16451507123083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4376451 + ... + 7215007.

It is an arithmetic number, because the mean of its divisors is an integer number (2122787214720).

Almost surely, 216451507123053 is an apocalyptic number.

It is an amenable number.

16451507123053 is a deficient number, since it is larger than the sum of its proper divisors (530790594707).

16451507123053 is a wasteful number, since it uses less digits than its factorization.

16451507123053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025547.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 16451507123053 in words is "sixteen trillion, four hundred fifty-one billion, five hundred seven million, one hundred twenty-three thousand, fifty-three".

Divisors: 1 31 186959 2838557 5795729 87995267 530693778163 16451507123053