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1369508954436 = 223474371919531
BaseRepresentation
bin10011111011011101000…
…110000100000101000100
311211220221102201012020000
4103323131012010011010
5134414223243020221
62525051013441300
7200641465020330
oct23733506040504
94756842635200
101369508954436
11488895113487
121a1505940230
139c1b48a368c
144a3dac9a7c0
152595638ae26
hex13edd184144

1369508954436 has 240 divisors, whose sum is σ = 4192810997760. Its totient is φ = 381637448640.

The previous prime is 1369508954431. The next prime is 1369508954497. The reversal of 1369508954436 is 6344598059631.

1369508954436 is a `hidden beast` number, since 1 + 3 + 6 + 9 + 5 + 0 + 89 + 544 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1369508954431) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 70109991 + ... + 70129521.

It is an arithmetic number, because the mean of its divisors is an integer number (17470045824).

Almost surely, 21369508954436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369508954436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096405498880).

1369508954436 is an abundant number, since it is smaller than the sum of its proper divisors (2823302043324).

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

1369508954436 is a wasteful number, since it uses less digits than its factorization.

1369508954436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20316 (or 20305 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 1369508954436 in words is "one trillion, three hundred sixty-nine billion, five hundred eight million, nine hundred fifty-four thousand, four hundred thirty-six".