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30465719219776 = 26192363132
BaseRepresentation
bin1101110110101010110100…
…10111110011011001000000
310222212111100100120101211211
412323111122113303121000
512443122243110013101
6144443431434215504
76263034631423111
oct673253227633100
9128774310511754
1030465719219776
119786491294a25
123500563884594
1313ccb9c374989
14774797802208
1537c73b098c51
hex1bb55a5f3640

30465719219776 has 63 divisors (see below), whose sum is σ = 63806498983521. Its totient is φ = 14430732747264.

The previous prime is 30465719219773. The next prime is 30465719219797. The reversal of 30465719219776 is 67791291756403.

The square root of 30465719219776 is 5519576.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3895570638400 + 26570148581376 = 1973720^2 + 5154624^2 .

It is a super-4 number, since 4×304657192197764 (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30465719219773) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 838957396 + ... + 838993708.

It is an arithmetic number, because the mean of its divisors is an integer number (1012801571167).

Almost surely, 230465719219776 is an apocalyptic number.

30465719219776 is the 5519576-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30465719219776

30465719219776 is an abundant number, since it is smaller than the sum of its proper divisors (33340779763745).

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

30465719219776 is an frugal number, since it uses more digits than its factorization.

30465719219776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72676 (or 36334 counting only the distinct ones).

The product of its (nonzero) digits is 120022560, while the sum is 67.

The spelling of 30465719219776 in words is "thirty trillion, four hundred sixty-five billion, seven hundred nineteen million, two hundred nineteen thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 361 608 722 1216 1444 2888 5776 11552 23104 36313 72626 145252 290504 581008 689947 1162016 1379894 2324032 2759788 5519576 11039152 13108993 22078304 26217986 44156608 52435972 104871944 209743888 419487776 838975552 1318633969 2637267938 5274535876 10549071752 21098143504 25054045411 42196287008 50108090822 84392574016 100216181644 200432363288 400864726576 476026862809 801729453152 952053725618 1603458906304 1904107451236 3808214902472 7616429804944 15232859609888 30465719219776