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61001157301 = 7643127710613
BaseRepresentation
bin111000110011111100…
…111100101010110101
312211110021102212101021
4320303330330222311
51444412244013201
644005030301141
74256444165440
oct706374745265
9184407385337
1061001157301
1123963621397
12b9a51b77b1
1359a1cb1066
142d49822657
1518c05b1ea1
hexe33f3cab5

61001157301 has 16 divisors (see below), whose sum is σ = 69885293184. Its totient is φ = 52159593024.

The previous prime is 61001157257. The next prime is 61001157311. The reversal of 61001157301 is 10375110016.

It is not a de Polignac number, because 61001157301 - 211 = 61001155253 is a prime.

It is a super-2 number, since 2×610011573012 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001157311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5742471 + ... + 5753083.

It is an arithmetic number, because the mean of its divisors is an integer number (4367830824).

Almost surely, 261001157301 is an apocalyptic number.

It is an amenable number.

61001157301 is a deficient number, since it is larger than the sum of its proper divisors (8884135883).

61001157301 is a wasteful number, since it uses less digits than its factorization.

61001157301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12540.

The product of its (nonzero) digits is 630, while the sum is 25.

Adding to 61001157301 its reverse (10375110016), we get a palindrome (71376267317).

The spelling of 61001157301 in words is "sixty-one billion, one million, one hundred fifty-seven thousand, three hundred one".

Divisors: 1 7 643 1277 4501 8939 10613 74291 821111 5747777 6824159 13552801 47769113 94869607 8714451043 61001157301