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20005160124701 = 141371141508231
BaseRepresentation
bin1001000110001110100000…
…11101101000000100011101
32121211110211000011000000102
410203013100131220010131
510110231031442442301
6110314124345310445
74133216342245133
oct443072035500435
977743730130012
1020005160124701
1164131603a2104
1222b1173795425
13b2162b377a6b
144d237d6c1753
1524a5a7dbbb6b
hex1231d076811d

20005160124701 has 4 divisors (see below), whose sum is σ = 20005301774304. Its totient is φ = 20005018475100.

The previous prime is 20005160124659. The next prime is 20005160124713. The reversal of 20005160124701 is 10742106150002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20005160124701 is a prime.

It is a super-2 number, since 2×200051601247012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005160121701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70612745 + ... + 70895486.

It is an arithmetic number, because the mean of its divisors is an integer number (5001325443576).

Almost surely, 220005160124701 is an apocalyptic number.

It is an amenable number.

20005160124701 is a deficient number, since it is larger than the sum of its proper divisors (141649603).

20005160124701 is a wasteful number, since it uses less digits than its factorization.

20005160124701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141649602.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 20005160124701 its reverse (10742106150002), we get a palindrome (30747266274703).

The spelling of 20005160124701 in words is "twenty trillion, five billion, one hundred sixty million, one hundred twenty-four thousand, seven hundred one".

Divisors: 1 141371 141508231 20005160124701