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61071706655484 = 22372731422786941
BaseRepresentation
bin11011110001011010111010…
…11000011000101011111100
322000020101202020112110112020
431320231131120120223330
531001044323400433414
6333515542115240140
715602166552256200
oct1570553530305374
9260211666473466
1061071706655484
11185064022a8648
126a24132ba9050
132810063a2b395
141111c5a2d0b00
1570d9366957a9
hex378b5d618afc

61071706655484 has 72 divisors (see below), whose sum is σ = 168036828997968. Its totient is φ = 17210030826240.

The previous prime is 61071706655471. The next prime is 61071706655503. The reversal of 61071706655484 is 48455660717016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 711350547 + ... + 711436394.

It is an arithmetic number, because the mean of its divisors is an integer number (2333844847194).

Almost surely, 261071706655484 is an apocalyptic number.

It is an amenable number.

61071706655484 is an abundant number, since it is smaller than the sum of its proper divisors (106965122342484).

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

61071706655484 is a wasteful number, since it uses less digits than its factorization.

61071706655484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422787035 (or 1422787026 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 61071706655484 in words is "sixty-one trillion, seventy-one billion, seven hundred six million, six hundred fifty-five thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 73 84 98 146 147 196 219 292 294 438 511 588 876 1022 1533 2044 3066 3577 6132 7154 10731 14308 21462 42924 1422786941 2845573882 4268360823 5691147764 8536721646 9959508587 17073443292 19919017174 29878525761 39838034348 59757051522 69716560109 103863446693 119514103044 139433120218 207726893386 209149680327 278866240436 311590340079 415453786772 418299360654 623180680158 727044126851 836598721308 1246361360316 1454088253702 2181132380553 2908176507404 4362264761106 5089308887957 8724529522212 10178617775914 15267926663871 20357235551828 30535853327742 61071706655484