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30200520252340 = 2256183532963549
BaseRepresentation
bin1101101110111100110110…
…10010000001101110110100
310221221010211011221000000201
412313132123102001232310
512424301131141033330
6144121532200050244
76234626021406664
oct667363322015664
9127833734830021
1030200520252340
119693a723a1569
123479091163984
1313b0b87484739
147659da5b61a4
153758b8c66eca
hex1b779b481bb4

30200520252340 has 48 divisors (see below), whose sum is σ = 64468521406800. Its totient is φ = 11880745390080.

The previous prime is 30200520252337. The next prime is 30200520252449. The reversal of 30200520252340 is 4325202500203.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9260506299664 + 20940013952676 = 3043108^2 + 4576026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30200520252299 and 30200520252308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8708886 + ... + 11672434.

It is an arithmetic number, because the mean of its divisors is an integer number (1343094195975).

Almost surely, 230200520252340 is an apocalyptic number.

It is an amenable number.

30200520252340 is an abundant number, since it is smaller than the sum of its proper divisors (34268001154460).

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

30200520252340 is a wasteful number, since it uses less digits than its factorization.

30200520252340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971972 (or 2971970 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 30200520252340 its reverse (4325202500203), we get a palindrome (34525722752543).

The spelling of 30200520252340 in words is "thirty trillion, two hundred billion, five hundred twenty million, two hundred fifty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 8353 16706 33412 41765 83530 167060 509533 1019066 2038132 2547665 2963549 5095330 5927098 10190660 11854196 14817745 29635490 59270980 180776489 361552978 723105956 903882445 1807764890 3615529780 24754524797 49509049594 99018099188 123772623985 247545247970 495090495940 1510026012617 3020052025234 6040104050468 7550130063085 15100260126170 30200520252340