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72934093919 = 197929339839
BaseRepresentation
bin100001111101100110…
…1011111010001011111
320222020220100212001202
41003323031133101133
52143332112001134
653301102430115
75161242366221
oct1037315372137
9228226325052
1072934093919
1128a27438285
121217559233b
136b542948bb
14375c584411
151d6ced6d7e
hex10fb35f45f

72934093919 has 8 divisors (see below), whose sum is σ = 73314046080. Its totient is φ = 72554240416.

The previous prime is 72934093907. The next prime is 72934093931. The reversal of 72934093919 is 91939043927.

It is an interprime number because it is at equal distance from previous prime (72934093907) and next prime (72934093931).

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-72934093919 is a prime.

It is a super-2 number, since 2×729340939192 (a number of 23 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 (72934092919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810802 + ... + 1850640.

It is an arithmetic number, because the mean of its divisors is an integer number (9164255760).

Almost surely, 272934093919 is an apocalyptic number.

72934093919 is a deficient number, since it is larger than the sum of its proper divisors (379952161).

72934093919 is a wasteful number, since it uses less digits than its factorization.

72934093919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49329.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 72934093919 in words is "seventy-two billion, nine hundred thirty-four million, ninety-three thousand, nine hundred nineteen".

Divisors: 1 197 9293 39839 1830721 7848283 370223827 72934093919